Airport.fromJson constructor
Implementation
factory Airport.fromJson(Map<String, dynamic> json) => Airport(
lat: json['lat'] as double,
lon: json['lon'] as double,
name: json['name'] as String,
city: json['city'] as String,
state: json['state'] as String,
country: json['country'] as String,
elevation: json['elevation'] as int,
icao: json['icao'] as String,
);